Толковый словарь английского языка - ethylene
Ethylene
ethylene
noun Date: circa 1852 a colorless flammable gaseous unsaturated hydrocarbon C2H4 that is found in coal gas, can be produced by pyrolysis of petroleum hydrocarbons, and occurs in plants functioning especially as a natural growth regulator that promotes the ripening of fruit, a divalent hydrocarbon group C2H4 derived from ethane, ethylenic adjective
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1.
n. Chem. a gaseous hydrocarbon of the alkene series, occurring in natural gas and used in the manufacture of polythene. Also called ETHENE. Usage Chem. formula: C2H4 Phrases and idioms ethylene glycol Chem. a colourless viscous hygroscopic liquid used as an antifreeze and in the manufacture of polyesters. Usage Chem. formula: C2H6O2.: also called ETHANEDIOL. Derivatives ethylenic adj. ...Толковый словарь английского языка Oxford English Reference
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